Note 12 - Shareholders' Equity and Employee Benefits (Details) - Condensed Consolidated Statement of Shareholders’ Equity (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended					6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014 Common Stock [Member]	Aug. 02, 2014 Treasury Stock [Member]	Feb. 01, 2014 Treasury Stock [Member]	Aug. 02, 2014 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Aug. 02, 2014 Accumulated Translation Adjustment [Member]	Aug. 02, 2014 Retained Earnings [Member]
Note 12 - Shareholders' Equity and Employee Benefits (Details) - Condensed Consolidated Statement of Shareholders’ Equity [Line Items]
Balance, February 1, 2014 (in Shares)					39,083,961	(4,659,143)	(4,659,143)
Balance, February 1, 2014			$ 158,391		$ 485,188	$ (88,198)	$ (88,198)	$ 149	$ 502	$ (239,250)
Unrealized loss on marketable securities	(138)	(153)	(92)	(196)				(92)
Currency translation adjustments			(94)						(94)
Stock-based compensation expense			2,873		2,873
Tax effect related to stock options			1,242		1,242
Tax effect related to stock options (in Shares)					(12,680)
Net proceeds from common stock issued under share plans (in Shares)					416,487
Net proceeds from common stock issued under share plans			1,247		1,247
Net loss	(7,620)	(4,791)	(17,534)	(9,324)						(17,534)
Balance, August 2, 2014 (in Shares)					39,487,768	(4,659,143)	(4,659,143)
Balance, August 2, 2014	$ 146,033		$ 146,033		$ 490,550	$ (88,198)	$ (88,198)	$ 57	$ 408	$ (256,784)